1. Pertaining to the operation of a functional unit when under the direct control of the system with which it is associated. ( 188 ) Note 1: On-line units are available for immediate use on demand by the system without human intervention. Note 2: On-line units may not be independently operated. 2. Pertaining to equipment that is connected to a system, and is in operation.
ON LINE
Meaning of ON LINE in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012